Vistra Surges Nearly 6% After Hours, Adding $3B in Market Value

As seen on the 24/7 Wall St. homepage on October 6, 2026.

VST Vistra
After-hours
$160.50
+5.93% open $151.51
$161$160$159

A 5.93% run to $160.50 adds roughly $3 billion of market value to the $53.9 billion power producer in a single session. Moves this size are where Vistra's year gets made, so keep an eye on whether $160 holds into tomorrow's open.

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Vistra ran to $160.50 by the close, a gain of nearly 6% that added roughly $3 billion in market value to the power producer in a single day.

The stock held above $158.75 after its session high near $160.66, then recovered above $160 into the final minutes, a sign buyers kept control.

A move this size is not routine for a company valued at nearly $54 billion, and $160 becomes the key level at tomorrow's open.

Defending that level when the full market reopens determines whether this after-hours surge extends into a new leg higher.

Mentioned: VST